Identification of structural parameters using the wavelet transform of acceleration measurements

被引：7

作者：

Sone, A ^{[1
]}

Hata, H

Masuda, A

机构：

[1] Kyoto Inst Technol, Dept Mech & Syst Engn, Sakyo Ku, Kyoto 6068585, Japan

[2] Japan Proc Dev Co Ltd, Hitachi, Ibaraki 3191221, Japan

来源：

JOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME | 2004年 / 126卷 / 01期

关键词：

D O I：

10.1115/1.1636787

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this paper the characteristic parameters of structures are estimated by a newly developed identification method based on the wavelet transform of acceleration measurements. In the proposed method, by using the localized nature and the moment condition of the analyzing wavelet, the equation of motion of the structure is translated to an algebraic equation in terms of the acceleration responses, so that one can identify the structural parameters only using the acceleration measurements. The basic performance of the proposed method and the influence of the observation noise as well as the sampling density of the scale parameter are discussed in numerical examples. Laboratory-scale experiments demonstrate that the proposed method is capable to identify the structural parameters such as damping matrix and the stiffness matrix in sufficient accuracy.

引用

页码：128 / 133

页数：6

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